Well, read through the 1934 National Firearms Act, the 1968 Gun Control Act and the 1986 Hughes Amendment.
You'll find plenty, and that's just a start.
Still happily answering to the call-sign Peetza.
You do not HAVE a soul. You ARE a soul. You HAVE a body.
He is no fool who gives what he can not keep to gain what he can not lose.
-Jim Eliott, paraphrasing Philip Henry.